<%@ page language="java" contentType="text/html; charset=utf-8"
         pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <style type="text/css">
        .datagrid-body{ overflow-x: auto; }
    </style>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>班级信息管理</title>
    <link rel="stylesheet" type="text/css" href="jquery-easyui-1.3.3/themes/default/easyui.css">
    <link rel="stylesheet" type="text/css" href="jquery-easyui-1.3.3/themes/icon.css">
    <script type="text/javascript" src="jquery-easyui-1.3.3/jquery.min.js"></script>
    <script type="text/javascript" src="jquery-easyui-1.3.3/jquery.easyui.min.js"></script>
    <script type="text/javascript" src="jquery-easyui-1.3.3/locale/easyui-lang-zh_CN.js"></script>
    <script type="text/javascript">
        var url;
        function searchGrade() {
            $('#dg').datagrid('load',{
                gradeName:$('#s_gradeName').val()
            });

        }
        function deleteGrade(){

            function searchGrade(){
                $('#dg').datagrid('load',{
                    gradeName:$('#s_gradeName').val()
                });
            }

            var selectedRows=$("#dg").datagrid('getSelections');
            if(selectedRows.length==0){
                $.messager.alert("系统提示","请选择要删除的数据！");
                return;
            }
            var strIds=[];
            for(var i=0;i<selectedRows.length;i++){
                strIds.push(selectedRows[i].id);
            }
            var ids=strIds.join(",");
            $.messager.confirm("系统提示","您确认要删掉这<font color=red>"+selectedRows.length+"</font>条数据吗？",function(r){
                if(r){
                    $.post("gradeDelete",{delIds:ids},function(result){
                        if(result.success){
                            $.messager.alert("系统提示","您已成功删除<font color=red>"+result.delNums+"</font>条数据！");
                            $("#dg").datagrid("reload");
                        }else{
                            $.messager.alert('系统提示','<font color=red>'+selectedRows[result.errorIndex].gradeName+'</font>'+result.errorMsg);
                        }
                    },"json");
                }
            });
        }


        function openGradeAddDialog(){
            $("#dlg").dialog("open").dialog("setTitle","添加班级信息");
            url="gradeSave";
        }

        function openGradeModifyDialog(){
            var selectedRows=$("#dg").datagrid('getSelections');
            if(selectedRows.length!=1){
                $.messager.alert("系统提示","请选择一条要编辑的数据！");
                return;
            }
            var row=selectedRows[0];
            $("#dlg").dialog("open").dialog("setTitle","编辑班级信息");
            $("#fm").form("load",row);
            url="gradeUpdate?id="+row.id;
        }

        function closeGradeDialog(){
            $("#dlg").dialog("close");
            resetValue();
        }

        function resetValue(){
            $("#gradeName").val("");
            $("#gradeDesc").val("");
        }


        function saveGrade(){
            $("#fm").form("submit",{
                url:url,
                onSubmit:function(){
                    return $(this).form("validate");
                },
                success:function(result){
                    if(result.errorMsg){
                        $.messager.alert("系统提示",result.errorMsg);
                        return;
                    }else{
                        $.messager.alert("系统提示","保存成功");
                        resetValue();
                        $("#dlg").dialog("close");
                        $("#dg").datagrid("reload");
                    }
                }
            });
        }
    </script>
</head>
<body style="margin: 5px;">
<table id="dg" title="班级信息" class="easyui-datagrid" fitColumns="false"
       pagination="true" rownumbers="true" url="gradeList" fit="true" toolbar="#tb">
    <thead>
    <tr>
        <th field="cb" checkbox="true"></th>
        <th field="id" width="50">编号</th>
        <th field="gradeName" width="100">班级名称</th>
        <th field="gradeDesc" width="1500">班级描述</th>
    </tr>
    </thead>
</table>

<div id="tb">
    <div>&nbsp;班级名称：&nbsp;<input type="text" name="s_gradeName" id="s_gradeName"/><a href="javascript:searchGrade()" class="easyui-linkbutton" iconCls="icon-search" plain="true">搜索</a></div>
</div>

<div id="dlg" class="easyui-dialog" style="width: 400px;height: 280px;padding: 10px 20px"
     closed="true" buttons="#dlg-buttons">
    <form id="fm" method="post">
        <table>
            <tr>
                <td>班级名称：</td>
                <td><input type="text" name="gradeName" id="gradeName" class="easyui-validatebox" required="true"/></td>
            </tr>
            <tr>
                <td valign="top">班级描述：</td>
                <td><textarea rows="7" cols="30" name="gradeDesc" id="gradeDesc"></textarea></td>
            </tr>
        </table>
    </form>
</div>

<div id="dlg-buttons">
    <a href="javascript:saveGrade()" class="easyui-linkbutton" iconCls="icon-ok">保存</a>
    <a href="javascript:closeGradeDialog()" class="easyui-linkbutton" iconCls="icon-cancel">关闭</a>
</div>
</body>
</html>